D day. Whenever the Tigers make it to the World Series, that's when the rest of America discovers what denizens of the uni-verse already know: The Tigers' jersey logo and cap logo don't match. This isn't a unique phenomenon (the Yankees' cap and jersey logos don't match either), but the difference between the two logos is pretty pronounced.
Le grand orange. The Giants and Tigers both have orange trim on their uniforms (albeit only on the road in Detroit's case). This marks the first time we've had two orange-clad World Series teams since 1969, when the Mets faced the Orioles.